// Copyright 2017 JanusGraph Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package org.janusgraph.diskstorage.util.time;

import java.time.temporal.ChronoUnit;
import java.util.concurrent.TimeUnit;

/**
 * Created by bryn on 30/04/15.
 */
public class Temporals {

    public static ChronoUnit chronoUnit(TimeUnit unit) {
        switch (unit) {
            case NANOSECONDS:
                return ChronoUnit.NANOS;
            case MICROSECONDS:
                return ChronoUnit.MICROS;
            case MILLISECONDS:
                return ChronoUnit.MILLIS;
            case SECONDS:
                return ChronoUnit.SECONDS;
            case MINUTES:
                return ChronoUnit.MINUTES;
            case HOURS:
                return ChronoUnit.HOURS;
            case DAYS:
                return ChronoUnit.DAYS;
            default:
                throw new IllegalArgumentException("Cannot convert timeunit");
        }
    }

    public static TimeUnit timeUnit(ChronoUnit unit) {
        switch (unit) {
            case NANOS:
                return TimeUnit.NANOSECONDS;
            case MICROS:
                return TimeUnit.MICROSECONDS;
            case MILLIS:
                return TimeUnit.MILLISECONDS;
            case SECONDS:
                return TimeUnit.SECONDS;
            case MINUTES:
                return TimeUnit.MINUTES;
            case HOURS:
                return TimeUnit.HOURS;
            case DAYS:
                return TimeUnit.DAYS;
            default:
                throw new IllegalArgumentException("Cannot convert chronounit");
        }
    }
}
